Entries by ESAI Team

EPA Proposes Tightening Fine Particulate Matter Standard, Potentially Affecting Coal Power Plants | Emissions News

Ethan Howland reports in Utility Dive that in a move that could add to regulatory requirements for coal-fired power plants, the Environmental Protection Agency on Friday proposed tightening the primary annual air quality standard for fine particulate matter, called PM 2.5, to a range of 9 micrograms per cubic meter to 10 µg/m3 from 12 µg/m3. Coal plants owners in nonattaintment areas for a revised standard will have to meet requirements outlined in any approved state plans for meeting the federal PM 2.5 limit, according to Julia Criscuolo, ESAI Power manager of renewables and emissions.

RGGI Auction 58 Clears at $12.99 | Emissions Watch Blog

The most recent RGGI quarterly auction (Auction 58) was held on December 7, 2022. The clearing price was $12.99/ton, three percent lower than the clearing price of $13.45/ton on September 7, 2022 (see Figure 1). Auction 58 represents the second consecutive auction with a clearing price lower than the previous auction, with both Auctions 57 and 58 clearing 3 percent below previous auction clearing prices.

Persistent Congestion on NYISO’s Central East Interface: The End is in Sight | Congestion Watch Blog

The Central East Interface is one of New York’s most congested corridors, enabling Upstate generation to serve the robust load levels Downstate. Congestion on the interface and the Zone F/Zone E basis spread has increased significantly in the past 1.5 years as a result of construction on the Central East Energy Connect, one of the two projects under the AC Transmission Upgrades PPTN. In addition to construction-associated outages, higher delivered gas prices in eastern New York have contributed to increased congestion.

RGGI Auction 57 Clears At $13.45, A 3% Drop | Emissions Watch Blog

The most recent RGGI quarterly auction (Auction 57) was held on September 7, 2022. The clearing price was $13.45/ton, three percent lower than the clearing price of $13.90/ton on June 1, 2022 (see Figure 1). Although the clearing price was only $0.45/ton lower than the most recent auction, Auction 57 marks the first time since Auction 45 in September 2019 that the clearing price has declined from the previous auction.